Canales radicis dentis
[医] 牙根管, 齿根管
🧩 词语组成解析
[医] 管, 道
🗣️ 情景例句
Well, Robbie was eight pounds two ounces,
嗯 ，Robbie生下来八磅二盎司，
That's unbelievable.
那是难以置信的。
Nearly all the sports practised nowadays are competitive.
现在开展的体育运动几乎都是竞争性的。